基于多目标遗传算法的双锥测量天线巴伦等效电路模型

doi:10.12305/j.issn.1001-506X.2026.09.05

系统工程与电子技术 ›› 2026, Vol. 48 ›› Issue (9): 2925-2930.doi: 10.12305/j.issn.1001-506X.2026.09.05

• 电子技术 • 上一篇

基于多目标遗传算法的双锥测量天线巴伦等效电路模型

马策一(), 于泽(), 魏文轩(), 王迎节(), 万朝辉(), 冯爽(), 王志成()

中国电子科技集团公司第五十四研究所，河北石家庄 050081

收稿日期:2025-07-03 修回日期:2025-09-10 出版日期:2025-11-25 发布日期:2025-11-25
通讯作者: 马策一 E-mail:18111054@bjtu.edu.cn;yuzeecan@163.com;wei630482670@163.com;13831105113@139.com;793817174@qq.com;17551153975@163.com;wzc9803@163.com
作者简介:于　泽（1997—），女，工程师，硕士，主要研究方向为电磁兼容试验、电磁兼容仿真
魏文轩（1994—），男，工程师，硕士，主要研究方向为电磁兼容试验、电磁兼容仿真
王迎节（1978—），女，高级工程师，硕士，主要研究方向为电磁兼容试验、电磁兼容设计
万朝辉（1989—），男，工程师，主要研究方向为电磁兼容试验、电磁兼容设计
冯　爽（1998—），男，工程师，硕士，主要研究方向为电磁兼容试验、人工智能算法
王志成（1981—），男，高级工程师，硕士，主要研究方向为电磁兼容试验、电磁兼容设计

Balun equivalent circuit model of biconical measuring antenna based on multi-objective genetic algorithm

Ceyi Ma(), Ze Yu(), Wenxuan Wei(), Yingjie Wang(), Zhaohui Wan(), Shuang Feng(), Zhicheng Wang()

The 54th Research Institute of China Electronics Technology Group Corporation，Shijiazhuang 050081，China

Received:2025-07-03 Revised:2025-09-10 Online:2025-11-25 Published:2025-11-25
Contact: Ceyi Ma E-mail:18111054@bjtu.edu.cn;yuzeecan@163.com;wei630482670@163.com;13831105113@139.com;793817174@qq.com;17551153975@163.com;wzc9803@163.com

摘要/Abstract

摘要：

针对电场辐射发射实验仿真中双锥测量天线仿真精度低的问题，提出一种基于多目标遗传算法的双锥测量天线巴伦等效电路模型。根据巴伦内部结构特征建立相应的等效电路，并利用双端口网络理论建立两天线模型用于仿真天线系数。将实测天线系数作为目标函数，利用多目标遗传算法对等效电路参数进行迭代优化。结果表明，双锥测量天线的仿真与实测之间平均误差仅为1.1 dB。若采用50 Ω集总端口，平均误差为42.3 dB。所提方法对提升双锥测量天线仿真精度和评价其预测可信性方面具有重要意义，可为实现电磁兼容实验数字化提供理论基础和数据支撑。

关键词: 电磁兼容, 多目标遗传算法, 双锥天线, 巴伦模型

Abstract:

Addressing the challenge of low simulation accuracy for biconical measurement antenna in electric field radiation emission test, a balun equivalent circuit model of biconical measuring antenna based on a multi-objective genetic algorithm（MOGA） is proposed. Based on the internal structural characteristics of the balun, a corresponding equivalent circuit is established, and a dual-port network theory is employed to develop a two-antenna model for simulating antenna coefficient. Using the measured antenna coefficient as the objective function, the equivalent circuit parameters are iteratively optimized via the MOGA. The results show that the average error between the simulation and measurement of the biconical measurement antenna is only 1.1 dB. If a 50 Ω lumped port is used, the average error is 42.3 dB. The proposed method presents a significant advancement in improving the simulation fidelity of biconical measurement antenna and assessing the credibility of predictive models. It provides theoretical basis and data support for realizing the digitization of electromagnetic compatibility test.

Key words: electromagnetic compatibility, multi-objective genetic algorithm, biconical antenna, balun model

中图分类号:

TN 821

马策一, 于泽, 魏文轩, 王迎节, 万朝辉, 冯爽, 王志成. 基于多目标遗传算法的双锥测量天线巴伦等效电路模型[J]. 系统工程与电子技术, 2026, 48(9): 2925-2930.

Ceyi Ma, Ze Yu, Wenxuan Wei, Yingjie Wang, Zhaohui Wan, Shuang Feng, Zhicheng Wang. Balun equivalent circuit model of biconical measuring antenna based on multi-objective genetic algorithm[J]. Systems Engineering and Electronics, 2026, 48(9): 2925-2930.

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参考文献 29

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序号	名称	含义
1	Cg	对地电容
2	C2	互电容
3	L1	自电感#1
4	L2	互感
5	Lg	对地电感
6	Lc	自电感#2

序号	名称	数值
1	初始采样数	100
2	每次迭代采样数	50
3	最大允许Pareto/%	70
4	收敛稳定性/%	0.0001
5	最大迭代次数	20

序号	名称	数值
1	Cg/pF	0.455
2	C2/pF	0.095
3	L1/uH	50.584
4	L2/mH	0.769
5	Lg/uH	0.344
6	Lc/uH	0.070

序号	算法	平均误差/dB	最大误差/dB
1	传统遗传算法	4.2	8.6
2	自适应单目标遗传算法	3.1	7.4
3	拟牛顿优化算法	5.6	10.5
4	MOGA	1.1	2.0

序号	算法	缺陷	预测风险
1	传统遗传算法	加权和法合并目标，无法保留权衡关系	仅得单一解，丧失设计灵活性
2	自适应单目标遗传算法	仍为单目标，离散变量需特殊编码	拓扑优化效率低
3	拟牛顿优化算法	梯度在离散拓扑跳变点失效，无法处理混合变量	优化结果物理不可行（如负电容值）

基于多目标遗传算法的双锥测量天线巴伦等效电路模型

Balun equivalent circuit model of biconical measuring antenna based on multi-objective genetic algorithm

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